Drinking cup



FIG. 1 is a top perspective view of a drinking cup showing my new design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is an exploded top perspective view thereof;

FIG. 4 is an exploded bottom perspective view thereof;

FIG. 5 is a front elevational view thereof; all side elevational views being identical;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof. 

CLAIM The ornamental design for a drinking cup, as shown and described. 